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- W3134587029 abstract "Abstract A new structural model updating method based on the dynamic force balance is presented. The method consists of rearranging the spectral equation so that measured modes and natural frequencies can be used to compute directly updated stiffness coefficients. The proposed method preserves both the structural connectivity and reciprocity, which translate into sparsity and symmetry of the stiffness matrix, respectively. Large changes in small-valued stiffness coefficients are avoided using parameter weighting in the rearranged spectral equation solution. It is shown that the proposed method produces results which are similar to the results obtained using Alvar Kabe’s method, with the advantages of simpler formulation and smaller computational cost. A simple example of an 8 degrees-of-freedom mass-spring system, originally used by Kabe to present his method, is used here to evaluate the proposed method." @default.
- W3134587029 created "2021-03-15" @default.
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- W3134587029 date "1995-09-17" @default.
- W3134587029 modified "2023-09-30" @default.
- W3134587029 title "A Weighted Rearranged Spectral Equation Method for Structural Model Updating" @default.
- W3134587029 doi "https://doi.org/10.1115/detc1995-0697" @default.
- W3134587029 hasPublicationYear "1995" @default.
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